Car audio problem. - Team-BHP

karthik247 · 13th June 2005, 22:27

guys i've noticed this today. When i increase the volume, really loud, the sub and rear speaker just stop as if disconneted! And when i reduce the vol. they work normally. This happens when vol. is more than 35 in a Pioneer Head Unit. What could it be guys????

5u3zEr0 · 13th June 2005, 22:37

It could be your amplifier shutting itself down when it isnt able to deliver clean power to your sub and speakers just before it starts clipping.

That way its helping you......Stopping you from frying your sub and speakers by sending a clipped signal to them.

sparco · 13th June 2005, 23:32

i am facing a similar problem with my jvc system sv-3000 cd/mp3/vcd with a 300 watts 2 channel x-over amplifier and 12" pioneer woofer, ovals in a boom box whenever i increase the volume more than 35(max is 50) the player shuts down and restarts again & i have noticed this happening when my fogs & hedlamps are on.... could this be a battery problem/wireing problem experts please help?
pls note have insatalled a new battery 4 months back...

navin · 13th June 2005, 23:43

kartik are you using an amp? if so is the amp only connected to the rear speakers and sub? maybe your amp is protecting itself.

sparco, P=V*I. If power is constant and voltage drops current increases to compensate. you say you got a amp and 12" and 6x9 connected to the HU. u got 3 options turn it down, improve the power wires feeding the amp and HU and/or add a stiffening cap (it willl help margianally but might jsut take you over the hump).

BTW dont you guys hear a lot of distortion before this happens? i would suspect that any amp (HU or outboard) would distort if absued in this manner.

devarshi84 · 14th June 2005, 04:19

From what you say I gather that everything is fine with the systems.

the two problems can be

1. Erratic wiring.the biggest enemy of car audio.get it checked thoroughly.

2. The amp is not compatible with your speaker set.get is set properly with a good technician.

otherwise everything looks fine but cant say.U shud start with the wiring.

cheers boyracer

iceman91 · 14th June 2005, 10:04

the problem is that the batter cannot support so much power..need to go in for a bigger battery.
it shows that when you increase the electrical load on the battery it cannot support the requirement and the amps which all have built in safety cut offs switches off.
distortion and enginne whine are wiring related...need to check wiring for that...switching off you need a new bigger battery

karthik247 · 14th June 2005, 21:41

I have a pioneer 4ch amp and a pioneer 2000W sub. The amp is connected to the sub and the rear speakers(Kenwood Components).

The last time this happened, the guys changed the fuse kept sumwhere in the bonnet near the battery. Wonder if this could b the prob this time.

13th June 2005, 22:27	#1 (permalink)
karthik247 Senior - BHPian Join Date: Feb 2005 Location: TVM Posts: 2,293 View My Garage	Car audio problem. guys i've noticed this today. When i increase the volume, really loud, the sub and rear speaker just stop as if disconneted! And when i reduce the vol. they work normally. This happens when vol. is more than 35 in a Pioneer Head Unit. What could it be guys????

13th June 2005, 23:32	#3 (permalink)
sparco BHPian Join Date: Apr 2005 Location: bandra-mumbai Posts: 75	i am facing a similar problem with my jvc system sv-3000 cd/mp3/vcd with a 300 watts 2 channel x-over amplifier and 12" pioneer woofer, ovals in a boom box whenever i increase the volume more than 35(max is 50) the player shuts down and restarts again & i have noticed this happening when my fogs & hedlamps are on.... could this be a battery problem/wireing problem experts please help? pls note have insatalled a new battery 4 months back... __________________ DoNt DrInK & dRiVe, U MiGhT SpIlL Ur DrInK!!!

14th June 2005, 10:04	#6 (permalink)
iceman91 Senior - BHPian Join Date: Nov 2004 Location: melbourne/bangalore Posts: 1,367 View My Garage	the problem is that the batter cannot support so much power..need to go in for a bigger battery. it shows that when you increase the electrical load on the battery it cannot support the requirement and the amps which all have built in safety cut offs switches off. distortion and enginne whine are wiring related...need to check wiring for that...switching off you need a new bigger battery __________________ ...91 is back !!!!

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13th June 2005, 22:37	#2 (permalink)
5u3zEr0 BHPian Join Date: May 2005 Location: Madras Posts: 363	It could be your amplifier shutting itself down when it isnt able to deliver clean power to your sub and speakers just before it starts clipping. That way its helping you......Stopping you from frying your sub and speakers by sending a clipped signal to them.

13th June 2005, 23:43	#4 (permalink)
navin Team-BHP Moderator Join Date: Mar 2004 Location: mumbai Posts: 11,990	kartik are you using an amp? if so is the amp only connected to the rear speakers and sub? maybe your amp is protecting itself. sparco, P=V*I. If power is constant and voltage drops current increases to compensate. you say you got a amp and 12" and 6x9 connected to the HU. u got 3 options turn it down, improve the power wires feeding the amp and HU and/or add a stiffening cap (it willl help margianally but might jsut take you over the hump). BTW dont you guys hear a lot of distortion before this happens? i would suspect that any amp (HU or outboard) would distort if absued in this manner.

14th June 2005, 04:19	#5 (permalink)
devarshi84 Senior - BHPian Join Date: Jun 2005 Location: Ahmedabad Posts: 2,948 View My Garage	From what you say I gather that everything is fine with the systems. the two problems can be 1. Erratic wiring.the biggest enemy of car audio.get it checked thoroughly. 2. The amp is not compatible with your speaker set.get is set properly with a good technician. otherwise everything looks fine but cant say.U shud start with the wiring. cheers boyracer

14th June 2005, 21:41	#7 (permalink)
karthik247 Senior - BHPian Join Date: Feb 2005 Location: TVM Posts: 2,293 View My Garage	I have a pioneer 4ch amp and a pioneer 2000W sub. The amp is connected to the sub and the rear speakers(Kenwood Components). The last time this happened, the guys changed the fuse kept sumwhere in the bonnet near the battery. Wonder if this could b the prob this time.